Facial expression control starts in a very old part of the nervous system. In the brain stem sits the facial nucleus, which ...

Researchers have discovered that the dorsal premotor cortex serves a 'meta-learning' function, overseeing and regulating physical movements. Once believed to be limited to movement planning, this ...

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth ...